Vocaloid songs that start with 'O'
If you’ve come here, chances are you like Vocaloid songs.
It’s been a long time since Hatsune Miku’s debut in 2007, and countless masterpieces have continued to be born.
In the meantime, the Vocaloid scene has seeped so deeply into the times and culture that we even have the term “Vocaloid-native generation.”
Now then, what I’m introducing this time is a selection of Vocaloid tracks whose titles start with the letter “O.”
Be sure to read to the end and find a new favorite track!
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Vocaloid songs starting with “O” (41–50)
Delicious GestaltYuuyu

A pop tune woven from Kagamine Rin’s cute vocals and a catchy melody! Created by Vocaloid producer yuyu, it was released in February 2025.
Its light, electropop-based sound paired with a danceable arrangement will have your body moving before you know it.
The lyrics playfully riff on “Gestalt collapse” and “tart,” which is adorable.
It’s a song you’ll want to listen to when you’re looking for a boost of positivity.
I'm a Ghost type.syudou

Syudou’s track “I’m Ghost Type” was created in collaboration with the Pokémon series and centers on the Ghost type.
For those who’ve known the series since the very first generation, the many evocative references convey a deep respect for Pokémon’s storytelling.
The powerful lyrics, which depict the protagonist’s journey and the companions met along the way, are another highlight.
It’s an outstanding work packed with Syudou’s distinctive, vibrant charm.
Opening Themeyatsuhashi

This is a song that soothes you with Hatsune Miku’s gentle, whisper-soft voice at your ear.
The Vocaloid producer’s sleepless dedication paid off—the bittersweet tone and beautiful melody line are deeply moving.
The tuning and lyrics blend wonderfully with a sense of translucence, making it a highly recommended track.
Osorezan le VourKapitaro

These are lyrics that appear in the Jump manga Shaman King, for which the Vocaloid producer Kapitaro composed a song.
After the video was released, it received official approval from the original creator, Hiroyuki Takei, and became a hot topic.
Later, voice actress Megumi Hayashibara covered it under the name of the Shaman King character Anna Kyoyama.
The gently soothing melody is particularly memorable.
OSINTShino Mirin

Created in 2023 by Vocaloid producer Mirin Shiino—known for experimental musical approaches and genreless appeal—“OSINT” delivers lyrics that question and counter modern society through a blend of spoken-word poetry and vocals.
Set against a track driven by a heavy dance beat, the mechanical performances of Aiyuki Uta, Yuzuki Yukari, and Kasane Teto carve out a distinctive sonic world.
Immerse yourself in its passionate, thrilling sound.
preemptive refutationCrispy sara-udon (crispy fried noodle dish)

It’s an ambitious work that looks to the future while quoting famous sayings from across time and cultures with a touch of irony.
Released in February 2025 by Paripari Sarau-don, the piece unfolds as a back-and-forth between Otomachi Una and Kasane Teto.
The troubles we face today can all be solved by the words of past philosophers and great figures… That phenomenon is expressed by the title “置き論破” (Oki-Ronpa, roughly “pre-placed debunking”).
Yet from there, the song’s development conveys a resolve—“I’ll live believing in my own strength”—that you can’t help but empathize with.
It’s a pop song that gives you the energy to face tomorrow.
Oshanti Mighty GirlSachiko Kobayashi

A heart-thumping sound grounded in dance music! This is the Vocaloid version of the piece that Sachiko Kobayashi—known as the Queen of Enka—released in July 2024 to mark her 60th year in show business and her 100th single.
The vocals, beautifully harmonized with dance beats and electronic sounds, leave a strong impression, and the lyrics carry a message of enjoying life with a positive outlook.
Why not give this vibrant, irresistibly groove-inducing music a listen?